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Mon, 16 Mar 2020 08:49:56 -0700 (PDT) Date: Mon, 16 Mar 2020 16:49:48 +0100 From: Jean-Philippe Brucker To: Joerg Roedel Subject: Re: [PATCH 09/15] iommu/arm-smmu-v3: Use accessor functions for iommu private data Message-ID: <20200316154948.GJ304669@myrica> References: <20200310091229.29830-1-joro@8bytes.org> <20200310091229.29830-10-joro@8bytes.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200310091229.29830-10-joro@8bytes.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200316_084958_426977_57C334C8 X-CRM114-Status: GOOD ( 15.47 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Clark , Lorenzo Pieralisi , Will Deacon , linux-arm-msm@vger.kernel.org, Sudeep Holla , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, Thierry Reding , linux-mediatek@lists.infradead.org, Andy Gross , Joerg Roedel , Hanjun Guo , Matthias Brugger , Bjorn Andersson , Sean Paul , Robin Murphy Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Tue, Mar 10, 2020 at 10:12:23AM +0100, Joerg Roedel wrote: > From: Joerg Roedel > > Make use of dev_iommu_priv_set/get() functions in the code. > > Tested-by: Hanjun Guo > Signed-off-by: Joerg Roedel Reviewed-by: Jean-Philippe Brucker > --- > drivers/iommu/arm-smmu-v3.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c > index aa3ac2a03807..2b68498dfb66 100644 > --- a/drivers/iommu/arm-smmu-v3.c > +++ b/drivers/iommu/arm-smmu-v3.c > @@ -2659,7 +2659,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) > if (!fwspec) > return -ENOENT; > > - master = fwspec->iommu_priv; > + master = dev_iommu_priv_get(dev); > smmu = master->smmu; > > arm_smmu_detach_dev(master); > @@ -2795,7 +2795,7 @@ static int arm_smmu_add_device(struct device *dev) > if (!fwspec || fwspec->ops != &arm_smmu_ops) > return -ENODEV; > > - if (WARN_ON_ONCE(fwspec->iommu_priv)) > + if (WARN_ON_ONCE(dev_iommu_priv_get(dev))) > return -EBUSY; > > smmu = arm_smmu_get_by_fwnode(fwspec->iommu_fwnode); > @@ -2810,7 +2810,7 @@ static int arm_smmu_add_device(struct device *dev) > master->smmu = smmu; > master->sids = fwspec->ids; > master->num_sids = fwspec->num_ids; > - fwspec->iommu_priv = master; > + dev_iommu_priv_set(dev, master); > > /* Check the SIDs are in range of the SMMU and our stream table */ > for (i = 0; i < master->num_sids; i++) { > @@ -2852,7 +2852,7 @@ static int arm_smmu_add_device(struct device *dev) > iommu_device_unlink(&smmu->iommu, dev); > err_free_master: > kfree(master); > - fwspec->iommu_priv = NULL; > + dev_iommu_priv_set(dev, NULL); > return ret; > } > > @@ -2865,7 +2865,7 @@ static void arm_smmu_remove_device(struct device *dev) > if (!fwspec || fwspec->ops != &arm_smmu_ops) > return; > > - master = fwspec->iommu_priv; > + master = dev_iommu_priv_get(dev); > smmu = master->smmu; > arm_smmu_detach_dev(master); > iommu_group_remove_device(dev); > -- > 2.17.1 > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek